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Most of your dumps are the *119 bugcheck (VIDEO_SCHEDULER_INTERNAL_ERROR) or *7F bugcheck (UNEXPECTED_KERNEL_MODE_TRAP_M).
Since you have mentioned you have used onboard and replaced 2 different cards and it still happens, this leads me to believe this is a memory issue, but it could be other things as well. Here are some causes:
The processor identified a problem, but Windows was unable to deal with it.
This problem can occur when any of these issues occur:
- Defective memory, memory incorrectly installed or mismatched memory sticks
- BIOS having the wrong settings and/or overclocking the processor (CPU) or memory
- Stopped or slow fans causing overheating
- Defective or buggy hardware or video drivers
- Defective Processor (CPU)
This is the same issue as Stop code 0x0000007F.
I'd recommend taking a look at your fans and such to ensure they aren't cluttered with dust, also check your video cards in question to also make sure they are clean as well!
Next, I'd recommend a chkdsk and memtest:
- Open the "Computer" window
- Right-click on the drive in question
- Select the "Tools" tab
- In the Error-checking area, click <Check Now>.
Download Memtest here
*Download a copy of Memtest86 and burn the ISO to a CD using Iso Recorder or another ISO burning program. Do note that you can ALSO put Memtest86 on a flash drive if you don't have access to CDs.
*Boot from the CD, and leave it running for at least 5 or 6 passes.
Just remember, any time Memtest reports errors, it can be either bad RAM or a bad motherboard slot.
Test the sticks individually, and if you find a good one, test it in all slots.
Any errors are indicative of a memory problem.
If a known good stick fails in a motherboard slot it is probably the slot.